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Basically you can have an order on a number line, but complex numbers are points on a plane. You can invent some arbitrary order, like which number has the largest real part, or the biggest absolute value, but many of the order properties of real numbers are no longer valid with such definitions.
The Real line.
Real numbers.
no its an imaginary line that represents the 0° latitude mark on a map.
All real numbers.
It is any real line.
Basically you can have an order on a number line, but complex numbers are points on a plane. You can invent some arbitrary order, like which number has the largest real part, or the biggest absolute value, but many of the order properties of real numbers are no longer valid with such definitions.
It's a number line!!
The boundary of the set of rational numbers as a subset of the real line is the real line.
The Real line.
Real numbers.
It is the real number whose length represents the distance from the zero on the line to the point on the line.
no its an imaginary line that represents the 0° latitude mark on a map.
Real numbers are compared by distance from zero That means converting numbers to decimals to determine which number is greater and putting these decimals in order from least to greatest or ordering the corresponding real numbers. I posted a link as an example.
All real numbers.
Real numbers are those which can be placed upon a number line stretching to infinity in both directions. To be "not real" you must be unable to do that. We call "not real" numbers "imaginary" numbers. They are numbers which are derived from the square root of -1. If you think about it, what number can be multiplied by itself and you end up with -1. In the real numbers, there isn't one. So we have imaginary numbers. They are written using Euler's notation where i represents the square root of -1. So, to answer your question, i is a "not real" number.
Real Number line